Patents by Inventor SaiDhiraj Amuru

SaiDhiraj Amuru has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11968146
    Abstract: Embodiments of the present disclosure relate to a base station (BS) and method for communication in a communication network. The method comprising signaling at least one antenna port number from multiple antenna port numbers to a UE. Also, the method comprises receiving a data and a reference signal (RS) corresponding to the UE. The data and the RS are received on one or more receive antennas of the BS, wherein the RS comprises occupied RS subcarriers and null subcarriers. A location of occupied RS subcarriers and null subcarrier positions are selected according to signaled antenna port. Next, channel parameters are estimated using the occupied subcarriers associated with the received RS, and interference plus noise parameters using the null subcarriers. Thereafter, equalizing the received data on the receive antennas using the measured channel parameters and the interference plus noise parameters for interference rejection and data detection.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: April 23, 2024
    Assignee: WISIG NETWORKS PRIVATE LIMITED
    Inventors: Kiran Kumar Kuchi, Saidhiraj Amuru
  • Publication number: 20240113928
    Abstract: Embodiments of the present disclosure relate to system and method for generating a waveform in a communication network is disclosed. The method comprises determining precoder information using one of an indication from a base station and predetermined parameters corresponding to precoding. The predetermined parameters are one of coefficients of the precoding filter, and flatness requirement of the precoding filter. Also, the method comprises generating a sequence of output modulation symbols, wherein each output modulation symbol is obtained using a block of input data symbols and a lookup table. The lookup table is a function of the precoder information and pre-.determined modulation information. Next, the sequence of output modulation symbols is transformed using Discrete Fourier Transform to generate transformed output modulation symbols.
    Type: Application
    Filed: December 4, 2023
    Publication date: April 4, 2024
    Inventors: Saidhiraj Amuru, Sibgath Ali Khan Makandar, Kiran Kumar Kuchi
  • Patent number: 11949475
    Abstract: Embodiments of the present disclosure provide a method of processing received signal using a massive MIMO base station (BS). The BS comprises a radio unit (RU), a distributed unit (DU) and an interface. The method comprises receiving a plurality of signals corresponding to the plurality of antennas, said signals comprises at least one of data signals, demodulation reference signals (DMRS) and sounding reference signals (SRS). The RU or DU performs a grouping operation on a subset of the plurality of signals corresponding to a subset of antennas to generate signal groups. The RU performs a first stage filtering on the signals associated with each group using group specific filters to obtain group specific filtered signals. The DU performs a second stage filtering on the group specific filtered signals to obtain second stage filtered signals.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: April 2, 2024
    Assignee: WISIG NETWORKS PRIVATE LIMITED
    Inventors: Kiran Kumar Kuchi, Saidhiraj Amuru
  • Patent number: 11949541
    Abstract: Embodiments of the present disclosure relate to systems and methods to generate a signal in a communication network. The method comprises filtering a discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-s-OFDM) data signal, and one of a DFT-S-OFDM and orthogonal frequency division multiplexing (OFDM) reference signal (RS) using a data filter and a RS filter respectively, to produce filtered data signal and filtered RS. The RS filter has one to one relationship with the data filter. Thereafter, port mapping the filtered RS to a corresponding port assigned to the transmitter to obtain port mapped filtered RS, wherein the port mapped filtered RS comprises a first subset of non-zero locations comprising of the filtered RS values and a second subset of zero locations comprising of zero values.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: April 2, 2024
    Assignee: WISIG NETWORKS PRIVATE LIMITED
    Inventors: Kiran Kumar Kuchi, Saidhiraj Amuru, Sibgath Ali Khan Makandar
  • Patent number: 11902969
    Abstract: Embodiments of the present disclosure are related a method for wireless communication. The method comprises receiving by a base station (BS), signals from a plurality of user equipment's (UEs) and obtaining channel estimates associated with each UE using the received signals. Next, calculating a first metric for each UE, and each of the plurality of beams associated with the BS using the obtained channel estimates and determining one or more best beams from a plurality of beams associated with the BS, and a second metric for each UE using the first metric. Further, segregating the UEs into groups based on the determined one or more best beams and the second metric. Thereafter, performing beamforming on control channel based on the one or more best beams, and performing allocation of at least one of resources, modulation and coding scheme for a control channel based on the segregated groups.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: February 13, 2024
    Inventors: Pavan Kumar Reddy Manne, Harish Kumar Dureppagari, Saidhiraj Amuru, Kiran Kumar Kuchi
  • Patent number: 11882547
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.
    Type: Grant
    Filed: February 13, 2023
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongok Kim, Saidhiraj Amuru, Chanhong Kim, Yeohun Yun, Jongbu Lim, Sungnam Hong, Taeyoung Kim
  • Patent number: 11876660
    Abstract: Embodiments of the present disclosure relate to system and method for generating a waveform in a communication network is disclosed. The method comprises determining precoder information using one of an indication from a base station and predetermined parameters corresponding to precoding. The predetermined parameters are one of coefficients of the precoding filter, and flatness requirement of the precoding filter. Also, the method comprises generating a sequence of output modulation symbols, wherein each output modulation symbol is obtained using a block of input data symbols and a lookup table. The lookup table is a function of the precoder information and predetermined modulation information. Next, the sequence of output modulation symbols is transformed using Discrete Fourier Transform to generate transformed output modulation symbols.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: January 16, 2024
    Inventors: Saidhiraj Amuru, Sibgath Ali Khan Makandar, Kiran Kumar Kuchi
  • Patent number: 11832093
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as long term evolution (LTE). A terminal in a wireless communication system is provided. The terminal includes a transceiver, and at least one processor configured to receive, from a base station (BS), a beam failure recovery configuration comprising at least one reference signal for identifying a candidate beam for the beam failure recovery and associated random access (RA) parameters, identify the candidate beam for the beam failure recovery using the at least one reference signal, and perform a physical random access channel (PRACH) using the at least one reference signal and the associated RA parameters on the candidate beam for the beam failure recovery.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: November 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Saidhiraj Amuru, Hyunil Yoo, Anshuman Nigam, Jiyun Seol, Taeyoung Kim
  • Publication number: 20230379022
    Abstract: Embodiments of the present disclosure provide a method of processing received signal using a massive MIMO base station (BS). The BS comprises a radio unit (RU), a distributed unit (DU) and an interface. The method comprises receiving a plurality of signals corresponding to the plurality of antennas, said signals comprises at least one of data signals, demodulation reference signals (DMRS) and sounding reference signals (SRS). The RU or DU performs a grouping operation on a subset of the plurality of signals corresponding to a subset of antennas to generate signal groups. The RU performs a first stage filtering on the signals associated with each group using group specific filters to obtain group specific filtered signals. The DU performs a second stage filtering on the group specific filtered signals to obtain second stage filtered signals.
    Type: Application
    Filed: August 2, 2023
    Publication date: November 23, 2023
    Inventors: Kiran Kumar KUCHI, Saidhiraj Amuru
  • Publication number: 20230327930
    Abstract: Embodiments of the present disclosure relate to generating pre DFT RS and data multiplexed DFT-S-OFDM with excess bandwidth shaping. The RS and user data are transmitted in different OFDM symbols, such that channel estimation to equalize the data can be estimated clearly at the receiver. The present disclosure a method for transmitting a waveform is disclosed. The method comprising generating, by a transmitter, at least one of: at least one data sequence and at least one reference sequence (RS). Also the method comprises time-multiplexing the at least one data sequence with the at least one RS, to generate a multiplexed sequence, and generating a filtered-extended bandwidth DFT-s-OFDM symbol using the multiplexed sequence. Also, the method transmits RS and user data in one OFDM symbol with DFT-s-OFDM, which eventually offers low PAPR. Further, the method transmits only RS so that low PAPR is achieved.
    Type: Application
    Filed: March 28, 2023
    Publication date: October 12, 2023
    Inventors: KIRAN KUMAR KUCHI, SAIDHIRAJ AMURU, GUDIMITLA KOTESWARA RAO, MAKANDAR SIBGATH ALI KHAN, SAKSHAMA GHOSLYA
  • Publication number: 20230292254
    Abstract: Embodiments of the present disclosure are related, in general to communication, but exclusively related to methods and systems for improving coverage of a cellular network. The method comprising obtaining a transmission power capability of a user equipment (UE), and determining a time-frequency opportunities allocated to the UE and a modulation and coding scheme (MCS) associated with the UE. Thereafter, indicating an increase in the instantaneous transmit power level to the UE based on the transmission power capability of the UE, the time-frequency opportunities and the associated MCS. The method also comprises obtaining the number of Resource Elements (REs) available for PUSCH transmission. A Transport Block Size is obtained for the REs obtained and is transmitted by adding Cyclic Redundancy Check. The procedure also includes the usage of uplink symbols in special slots. The method also comprising the usage of Reference Symbols across the transmission opportunities based on the UE capability.
    Type: Application
    Filed: August 7, 2021
    Publication date: September 14, 2023
    Inventors: Kiran Kumar KUCHI, Saidhiraj AMURU, Koteswara Rao GUDIMITLA, Subhash KUMAWAT, Pavan Kumar Reddy MANNE, Sibgath Ali Khan MAKANDAR, Harish Kumar DUREPPAGARI
  • Publication number: 20230291507
    Abstract: Embodiments herein provide a method for managing HARQ procedure for multiple numerologies multiplexing in a wireless communication network. The method includes transmitting, by a User Equipment (UE), capability parameters of the UE to a Base Station (BS). Further, the method includes receiving, by the UE, a plurality of HARQ configuration parameters corresponding to the capability parameters of the UE from the BS, and perfuming, by the UE, one of an individual HARQ process and a shared HARQ process based on the plurality of HARQ configuration parameters received from the BS.
    Type: Application
    Filed: May 17, 2023
    Publication date: September 14, 2023
    Inventors: Saidhiraj AMURU, Hyun-Seok RYU, Anshuman NIGAM
  • Publication number: 20230284120
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.
    Type: Application
    Filed: May 11, 2023
    Publication date: September 7, 2023
    Inventors: Saidhiraj AMURU, Yongok KIM, Anshuman NIGAM
  • Patent number: 11722256
    Abstract: Embodiments herein provide a method for managing HARQ procedure for multiple numerologies multiplexing in a wireless communication network. The method includes transmitting, by a User Equipment (UE), capability parameters of the UE to a Base Station (BS). Further, the method includes receiving, by the UE, a plurality of HARQ configuration parameters corresponding to the capability parameters of the UE from the BS, and perfuming, by the UE, one of an individual HARQ process and a shared HARQ process based on the plurality of HARQ configuration parameters received from the BS.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: August 8, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Saidhiraj Amuru, Hyun-Seok Ryu, Anshuman Nigam
  • Publication number: 20230232464
    Abstract: A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for internet of things (IoT) are provided. The communication method and system includes intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method by a terminal for transmitting a random access (RA) preamble is provided.
    Type: Application
    Filed: March 27, 2023
    Publication date: July 20, 2023
    Inventors: Anil AGIWAL, Saidhiraj AMURU
  • Patent number: 11706064
    Abstract: Embodiments of the present disclosure are related to a receiver and a method for receiving signal. The method comprises estimating, by a receiver, channel for each of a plurality of antennas using the received signal stream, to produce a plurality of estimated channels. Also, method comprises grouping a predetermined number of received signals from the received signal stream and estimated channels associated with the received signals to obtain a plurality of groups. Further, a group specific filtering is performed on the received signals and corresponding estimated channels of each of the plurality of groups to obtain filtered received signals and a plurality of filtered estimated channels. Thereafter, the method comprises performing second filtering on all the filtered received signals to produce second filtered signals, which are processed to produce an output.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: July 18, 2023
    Inventors: Kiran Kumar Kuchi, Sibgath Ali Khan Makandar, Koteswara Rao Gudimitla, Saidhiraj Amuru
  • Publication number: 20230216718
    Abstract: Embodiments of the present disclosure relate to systems and methods to generate a signal in a communication network. The method comprises filtering a discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-s-OFDM) data signal, and one of a DFT-S-OFDM and orthogonal frequency division multiplexing (OFDM) reference signal (RS) using a data filter and a RS filter respectively, to produce filtered data signal and filtered RS. The RS filter has one to one relationship with the data filter. Thereafter, port mapping the filtered RS to a corresponding port assigned to the transmitter to obtain port mapped filtered RS, wherein the port mapped filtered RS comprises a first subset of non-zero locations comprising of the filtered RS values and a second subset of zero locations comprising of zero values.
    Type: Application
    Filed: December 30, 2022
    Publication date: July 6, 2023
    Inventors: Kiran Kumar Kuchi, Saidhiraj Amuru, Sibgath Ali Khan Makandar
  • Publication number: 20230209549
    Abstract: Embodiments of the present disclosure provide a method of communication in a base station (BS). The BS comprising a distributed unit (DU) and at least one radio unit (RU), said DU performs High-PHY processing and said RU performs low-PHY processing. The method comprises transmitting, by the DU, a control information to the at least one RU using at least one of a c-plane message and a m-plane message, and data using a u-plane message. The u-plane message is transmitted in one of a semi persistent and periodic technique. The transmitting of the at least one of a c-plane message and a m-plane message indicates the u-plane data as one of a semi persistent and a periodic, said transmitting is valid for the u-plane messages carrying the u-plane data for a predetermined time period.
    Type: Application
    Filed: May 21, 2021
    Publication date: June 29, 2023
    Inventors: Saidhiraj Amuru, Arpit Jain, Nikhil Reddy Allola, Alok Ranjan Kesari, Kiran Kumar Kuchi
  • Patent number: 11689321
    Abstract: Embodiments herein provide a method for managing HARQ procedure for multiple numerologies multiplexing in a wireless communication network. The method includes transmitting, by a User Equipment (UE), capability parameters of the UE to a Base Station (BS). Further, the method includes receiving, by the UE, a plurality of HARQ configuration parameters corresponding to the capability parameters of the UE from the BS, and perfuming, by the UE, one of an individual HARQ process and a shared HARQ process based on the plurality of HARQ configuration parameters received from the BS.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: June 27, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Saidhiraj Amuru, Hyun-Seok Ryu, Anshuman Nigam
  • Publication number: 20230199727
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 22, 2023
    Applicant: SAMSUNG ELECTRONICS CO.,LTD.
    Inventors: Yongok KIM, Saidhiraj AMURU, Chanhong Kim, Yeohun YUN, Jongbu LIM, Sungnam HONG, Taeyoung KIM